<script lang="ts" setup name="HomeBrand">
import { ref } from 'vue'
import HomePanel from './home-panel.vue'
 import { useLazyData } from '@/utils/tools'
 import useStore from '@/store'
import homeSkeletonVue from './home-skeleton.vue'
 const { home } = useStore()
const target =  useLazyData (() => {
    home.getBrandList()
 })
// 定义一个变量保存左右的状态
const index = ref(0)
</script>
<script lang="ts">
export default {
  name: 'HomeBrand'
}
</script>
<template>
  <HomePanel ref="target" title="热门品牌" sub-title="国际经典 品质保证">
    <template v-slot:right>
   <a href="javascript:;" class="iconfont icon-angle-left prev" 
        :class="{ disabled: index === 0 }"
        @click="index = 0"></a>
      <a href="javascript:;" class="iconfont icon-angle-right next" 
        :class="{ disabled: index === 1 }"
        @click="index = 1"></a>
    </template>
    <transition name="fade">
     <div class="box" ref="box" v-if="home.brandList.length !== 0">
      <ul class="list" :style="{ transform: `translateX(${-1240 * index}px)` }">
          <li v-for="item in home.brandList" :key="item.id">
            <RouterLink to="/">
              <img v-lazy="item.picture" alt="" />
            </RouterLink>
          </li>
        </ul>
      </div>
  <homeSkeletonVue v-else></homeSkeletonVue>
    </transition>
  </HomePanel>
</template>

<style scoped lang="less">
.home-panel {
  background: #f5f5f5;
}
.iconfont {
  width: 20px;
  height: 20px;
  background: #ccc;
  color: #fff;
  display: inline-block;
  text-align: center;
  margin-left: 5px;
  background: @xtxColor;
  &::before {
    font-size: 12px;
    position: relative;
    top: -2px;
  }
  &.disabled {
    background: #ccc;
    cursor: not-allowed;
  }
}
.box {
  display: flex;
  width: 100%;
  height: 345px;
  overflow: hidden;
  padding-bottom: 40px;
  .list {
    width: 200%;
    display: flex;
    transition: all 1s;
    li {
      margin-right: 10px;
      width: 240px;
      &:nth-child(5n) {
        margin-right: 0;
      }
      img {
        width: 240px;
        height: 305px;
      }
    }
  }
}
.skeleton {
  width: 100%;
  display: flex;
  .item {
    margin-right: 10px;
    &:nth-child(5n) {
      margin-right: 0;
    }
  }
}
</style>
